<template>
  <section>
    <!--工具条 高级 查询位置-->
    <el-col :span="24" class="toolbar" style="padding-bottom: 0px;">
      <el-form :inline="true" :model="filters">
        <el-form-item>
          <el-input v-model="filters.name" placeholder="姓名"></el-input>
        </el-form-item>
        <el-form-item>
          <el-button type="primary" v-perm="'department:list'" v-on:click="deptQuery">查询</el-button>
        </el-form-item>
        <el-form-item>
          <el-button type="primary"v-perm="'department:save'" @click="handleAdd">新增</el-button>
        </el-form-item>
      </el-form>
    </el-col>

    <!--列表
        :data="department":  绑定的数据
        highlight-current-row： 高亮显示
        v-loading="listLoading"：忙等框
        @selection-change="selsChange"：勾选复选框触发事件
        sortable： 排序
    -->
    <el-table :data="departments" highlight-current-row v-loading="listLoading" @selection-change="selsChange" style="width: 100%;">
      <el-table-column type="selection" width="55">
      </el-table-column>
      <el-table-column type="index" width="60">
      </el-table-column>
      <el-table-column prop="name" label="部门名称" width="120" sortable>
      </el-table-column>
      <el-table-column prop="sn" label="部门编号" width="120" sortable>
      </el-table-column>
      <el-table-column prop="manager.username" label="部门领导" width="120" sortable>
      </el-table-column>
      <el-table-column prop="parent.name" label="上级部门" width="120" sortable>
      </el-table-column>

      <el-table-column prop="state" label="是否启用" width="100" sortable>
        <template scope="scope">
          <el-span style="color: green" v-if="scope.row.state==1" size="small" >启用</el-span>
          <el-span style="color: red" v-else-if="scope.row.state==0" size="small" >禁用</el-span>
          <el-span style="color: gray" v-else size="small">未知</el-span>
        </template>
      </el-table-column>

      <el-table-column label="操作" width="150">
        <template scope="scope">
          <el-button size="small" v-perm="'department:save'" @click="handleEdit(scope.$index, scope.row)">编辑</el-button>
          <el-button type="danger" v-perm="'department:delete'" size="small" @click="handleDel(scope.$index, scope.row)">删除</el-button>
        </template>
      </el-table-column>
    </el-table>

    <!--工具条-->
    <el-col :span="24" class="toolbar">
      <el-button type="danger" @click="batchRemove" :disabled="this.sels.length===0">批量删除</el-button>
      <el-pagination
          layout="prev, pager, next"
          @current-change="handleCurrentChange"
          :page-size="pageSize"
          :total="totals"
          style="float:right;">
      </el-pagination>
    </el-col>

    <!--编辑界面-->
    <el-dialog :title="title" :visible.sync="editFormVisible" :close-on-click-modal="false">
      <el-form :model="editForm" label-width="80px" :rules="editFormRules" ref="editForm">
        <el-form-item label="部门名称" prop="name">
          <el-input v-model="editForm.name" auto-complete="off"></el-input>
        </el-form-item>

        <el-form-item label="部门编号" prop="sn">
          <el-input v-model="editForm.sn" auto-complete="off"></el-input>
        </el-form-item>

        <el-form-item label="部门状态">
          <el-radio-group v-model="editForm.state">
            <el-radio class="radio" :label="1">启用</el-radio>
            <el-radio class="radio" :label="0">禁用</el-radio>
          </el-radio-group>
        </el-form-item>

        <el-form-item label="上级部门" prop="parent_id">
          <!--<el-input v-model="editForm.parent_id" auto-complete="off"></el-input>-->
          <el-cascader v-model="editForm.parent_id"
                       :options="deptTree"
                       :props="{
                checkStrictly: true,
                label:'name',
                value: 'id'
              }"
                       clearable>
          </el-cascader>
        </el-form-item>

        <el-form-item label="部门经理" prop="manager_id">
          <!-- <el-input v-model="editForm.manager_id" auto-complete="off"></el-input>-->、
          <!--
            v-for="item in cities":  循环
             :label:  展示的名字
             :value: 向后端传的值
          -->
          <el-select clearable v-model="editForm.manager_id" placeholder="请选择">
            <el-option
                v-for="item in employees"
                :label="item.username"
                :value="item.id">
              <el-span style="float: left">{{ item.username }}</el-span>
              <el-span style="float: right; color: #8492a6; font-size: 13px">{{ item.phone }}</el-span>
            </el-option>
          </el-select>
        </el-form-item>

      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button @click.native="editFormVisible = false">取消</el-button>
        <el-button type="primary" @click.native="editSubmit" :loading="editLoading">提交</el-button>
      </div>
    </el-dialog>


  </section>
</template>

<script>

export default {
  data() {
    return {
      deptTree:[],
      employees: [],
      title: "",
      filters: {
        name: ''
      },
      departments: [],
      totals: 0,
      currentPage: 1,
      pageSize: 5,
      listLoading: false,
      sels: [],//列表选中列

      editFormVisible: false,//编辑界面是否显示
      editLoading: false,

      // 校验规则
      editFormRules: {
        name: [
          { required: true, message: '请输入部门名称', trigger: 'blur' }
        ],
        sn: [
          { required: true, message: '请输入部门编号', trigger: 'blur' }
        ]
      },
      //编辑界面数据
      editForm: {
        id: null,
        sn: '',
        name: '',
        state: null,
        manager_id: null,
        parent_id: null  // Long类型的值
      },
    }
  },
  methods: {

    // 查询部门数
    getDeptTree(){
      this.$http.get("/department/deptTree")
          .then(res=>{ // 后台返回一个list
            this.deptTree = res.data;

          }).catch(res=>{

      })
    },

    getEmployees(){
      this.$http.get("/employee")
          .then(res=>{
            this.employees = res.data;
          })
    },

    deptQuery(){
      this.currentPage = 1;
      this.getDepartments();
    },

    handleCurrentChange(currentPage) {
      this.currentPage = currentPage;
      // 重新发送请求
      this.getDepartments();
    },
    //获取部门列表
    getDepartments() {
      let para = {
        currentPage: this.currentPage,
        pageSize: this.pageSize,
        keywords: this.filters.name  // 高级查询使用
      };
      // 开启忙等框
      this.listLoading = true;
      // 发送请求  axios  需要配置axios全局
      this.$http.post("/department",para)
          .then(res=>{  // res: PageList: {totals:xx, rows: xx}

            // 关闭忙等框
            this.listLoading = false;
            this.departments = res.data.data;
            this.totals = res.data.totals;
          }).catch(res=>{
        this.$message.error('系统繁忙，稍后重试');
      })

    },
    //删除
    handleDel: function (index, row) {
      this.$confirm('确认删除该记录吗?', '温馨提示', {
        type: 'warning'
      }).then(() => {  // 点击确认删除
        this.listLoading = true; // 忙等框

        // 发送请求
        this.$http.delete("/department/"+row.id)
            .then(res=>{ //

              this.listLoading = false; // 关闭忙等框

              if(res.data.success){
                this.$message({
                  message: '删除成功',
                  type: 'success'
                });
              }else{  //
                this.$message({
                  message: res.data.msg,
                  type: 'error'
                });
              }

              // 重新发送请求，刷新页面
              this.currentPage = 1;
              this.getDepartments();
            }).catch(res=>{
          this.$message({
            message: '系统繁忙，稍后重试!',
            type: 'error'
          });
        })

        /*removeDepartment(para).then((res) => {
          this.listLoading = false;
          //NProgress.done();
          this.$message({
            message: '删除成功',
            type: 'success'
          });
          this.getDepartments();
        });*/
      }).catch(() => { // 取消删除

      });
    },

    //显示编辑界面
    handleEdit: function (index, row) {
      this.getEmployees();
      this.getDeptTree();
      this.title = "编辑";
      this.editFormVisible = true;

      // 可控一份数据，然后回显数据
      this.editForm = Object.assign({}, row);
    },

    //显示新增界面
    handleAdd: function () {
      this.getEmployees();
      this.getDeptTree();
      this.title = "新增";
      this.editFormVisible = true; // 弹出模态框  默认为false；
      // 清空模态框
      this.editForm = {
        id: null,
        sn: '',
        name: '',
        state: 1,
        manager_id: null,
        parent_id: null,
      };
    },
    // 提交按钮
    editSubmit: function () {

      // 表单校验
      this.$refs.editForm.validate((valid) => {



        if (valid) {

          this.$confirm('确认提交吗?', '温馨提示', {
            type: 'warning'
          }).then(() => {

         // this.$confirm('确认提交吗？', '温馨提示', {}).
          //then(() => {
            this.editLoading = true;  // 忙等框
            // 克隆数据
            let para = Object.assign({}, this.editForm);
            // 重para中获取parent  null: 没有选择上级部门, []： 选了，又删除了  [2,7,18]
            // parent_id    Long
            let arr = para.parent_id; //  null,  []    [2,7,18]  ==>18
            if(arr && arr.length==0){
              // 后台通过Long接收
              para.parent_id=null;
            }
            if(arr && arr.length > 0){
              // 后台通过Long接收
              para.parent_id=arr[arr.length-1];
            }
            // 发送请求
            this.$http.put("/department",para)
                .then(res=>{
                  this.editLoading = false; // 关闭忙等框
                  if(res.data.success){
                    this.$message({
                      message: '操作成功',
                      type: 'success'
                    });
                  }else{
                    this.$message({
                      message: res.data.msg,
                      type: 'error'
                    });
                  }
                  // 关闭模态框
                  this.editFormVisible = false;
                  // 刷新页面
                  this.getDepartments();

                }).catch(res=>{
              this.$message({
                message: '系统异常，稍后重试',
                type: 'error'
              });
            })

          }).catch(res=>{
            console.debug(res)
          })
        }
      });
    },

    selsChange: function (sels) {
      this.sels = sels;
      console.debug(this.sels)
    },
    //批量删除
    batchRemove: function () {

      var ids = this.sels.map(item => item.id);  // [1,2,3,4,5,6]

      this.$confirm('确认删除选中记录吗？', '温馨提示', {
        type: 'warning'
      }).then(() => {
        this.listLoading = true; // 开启忙等框

        this.$http.patch("/department",ids)
            .then(res=>{
              // 关闭忙等框
              this.listLoading = false;
              if(res.data.success){
                this.$message({
                  message: '删除成功',
                  type: 'success'
                });
              }else{
                this.$message({
                  message: res.data.msg,
                  type: 'error'
                });
              }
              this.currentPage = 1;
              this.getDepartments();
            }).catch(res=>{
          this.$message({
            message: '系统异常，稍后重试',
            type: 'error'
          });
        })

        //NProgress.start();
        //	let para = { ids: ids };
        /*batchRemoveDepartment(para).then((res) => {
          this.listLoading = false;
          //NProgress.done();
          this.$message({
            message: '删除成功',
            type: 'success'
          });
          this.getDepartments();
        });*/
      }).catch(() => {

      });
    }
  },


  mounted() {

    this.getDepartments();
  }
}
//你这个没配淘宝镜像，下的慢，直接拷贝课件
</script>




<style scoped>

</style>